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|
(* TEST
*)
open Effect
open Effect.Deep
type _ t += E : unit t
let () =
try_with perform E
{ effc = fun (type a) (e : a t) ->
match e with
| E -> Some (fun k ->
(* We have to make sure that neither the match nor the call
to caml_equal are eliminated, so we call
print_string and we print the result of caml_equal. *)
begin match print_string ""; k = k with
| b -> Printf.printf "%b" b; assert false
| exception (Invalid_argument _) -> print_endline "ok"
end;
begin match Hashtbl.hash k with
| _ -> print_endline "ok"
end)
| e -> None }
|
